gdi programming with c sharp phần 4 pptx

... color AppWorkspace Multiple-document interface (MDI) workspace background color Control Control background color ControlDark 3D control shadow color ControlDarkDark 3D control dark shadow color ControlLight 3D ... active caption, and control dark system colors, respectively. textBox1.BackColor = SystemColors.InactiveBorder; radioButton1.BackColor = SystemColors.ActiveCaption; button1.BackColo...

Ngày tải lên: 12/08/2014, 19:20

... the device context (HDC), which is used by GDI to send information to the device. In GDI+ , the concept of device context and handle to the device context is replaced by the Graphics object. The ... Application Section 2 .4. Some Basic GDI+ Objects SUMMARY Chapter 3. The Graphics Class Section 3.1. Graphics Class Properties Section 3.2. Graphics Class Methods Section 3.3. The...

Ngày tải lên: 12/08/2014, 19:20

... objects. You can test this code on a button or a menu click event handler. Listing 2.9 Creating RectangleF objects // Create a Graphics object Graphics g = this.CreateGraphics(); float x = 40 .0f; float ... rectangle. Intersect Replaces a rectangle with the intersection of itself and another rectangle. IntersectsWith Determines if a specified rectangle intersects with rect. Offset Adjus...

Ngày tải lên: 12/08/2014, 19:20

... (rect, startColor, endColor, mode); } // Gamma correction check box is checked if(checkBox1.Checked) { lgBrush.GammaCorrection = true; } // Fill rectangle g.FillRectangle(lgBrush, rect); ... rectangle curGraphics.DrawRectangle(curPen, curX, curY, diffX, diffY); break; } case 4: { // Fill the rectangle curGraphics.FillRectangle(curBrush, curX, curY, diffX, diffY); break;...

Ngày tải lên: 12/08/2014, 19:20

... TranslateClip to translate a region // Create a Graphics object Graphics g = this.CreateGraphics(); g.Clear(this.BackColor); // Create a RectangleF rectangle RectangleF rect1 = new RectangleF(20.0f, ... item click event handlers private void CircleMenu_Click(object sender, System.EventArgs e) { // Create a rectangle Rectangle rect = new Rectangle(50, 0, 300, 300); // Create a Shape objec...

Ngày tải lên: 12/08/2014, 19:20

... SetNoOp_Click(object sender, System.EventArgs e) { // Create a Graphics object Graphics g = this.CreateGraphics(); g.Clear(this.BackColor); // Create two colors Color lClr = Color.FromArgb( 245 ,0,0); ... PlayRecordCallback callbackData ); GDI/ GDI+ Record Each metafile record describes a command that is capable of drawing, filling, or changing the graphics state of a surface. For ex...

Ngày tải lên: 12/08/2014, 19:20

... void GammaCorrectionMenu_Click( object sender, System.EventArgs e) { Graphics g = this.CreateGraphics(); g.Clear(this.BackColor); // Create a rectangle Rectangle rect = new Rectangle(20, ... System.EventArgs e) { // Create a Graphics object Graphics g = this.CreateGraphics(); g.Clear(this.BackColor); // Create a GraphicsPath object GraphicsPath path = new GraphicsPath(); // Create...

Ngày tải lên: 12/08/2014, 19:20

... surface. In previous chapters we used the Graphics object associated with a form to access the surface associated with a form. There are several ways to get the Graphics object associated with ... e) { // Create a Graphics object Graphics g = this.CreateGraphics(); g.Clear(this.BackColor); // Create a rectangle Rectangle rect = new Rectangle(20, 20, 100, 100); // Create a solid...

Ngày tải lên: 12/08/2014, 19:20

... HatchBrush(HatchStyle.Cross, Color.Red, Color.Yellow); // Create a Bitmap object Bitmap curBitmap = new Bitmap(200, 200); // Create a Graphics object from Bitmap Graphics g = Graphics.FromImage(curBitmap); ... members MemberDescription AutomaticFeed Automatically fed paper Cassette A paper cassette Custom A printer-specific paper source Envelope An envelope FormSource The printer's...

Ngày tải lên: 12/08/2014, 19:20

... properties: ClipRectangle and Graphics.ClipRectangle indicates the rectangle in which to paint, and the Graphics property indicates the Graphics object associated with the paint event of a particular control ... draw Graphics g = this.CreateGraphics(); g.Clear(this.BackColor); // Create a Bitmap object with the size of the form Bitmap curBitmap = new Bitmap(ClientRectangle.Width, ClientR...

Ngày tải lên: 12/08/2014, 19:20